#378DAA#378DAA

#378DAA is a mid, moderate cyan. Relative luminance 0.228; OKLCH L 60.4% C 0.092 H 223.9°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#378DAA
RGB	rgb(55, 141, 170)
HSL	hsl(195, 51%, 44%)
HSV	hsv(195, 68%, 67%)
CMYK	cmyk(67.6%, 17.1%, 0%, 33.3%)
CIE-LAB	lab(54.83, -16.29, -22.83)
CIE-LCH	lch(54.83, 28.05, 234.50°)
OKLab	oklab(60.39% -0.0663 -0.0638)
OKLCH	oklch(60.39% 0.092 223.9)
XYZ	xyz(18.3532, 22.7623, 41.4487)
Luminance	0.2276 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378DAA #AA5437

analogous

#37AA8E #378DAA #3754AA

triadic

#378DAA #AA378D #8DAA37

tetradic

#378DAA #8E37AA #AA5437 #54AA37

square

#378DAA #8E37AA #AA5437 #54AA37

split-complementary

#378DAA #AA3754 #AA8E37

monochromatic

#19404E #28677C #378DAA #56ABC8 #84C2D7

Accessibility & contrast

On white

3.78

#378DAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#378DAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378DAA

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378DAA	#FFFFFF	#000000	##000000
##378DAA	1.00	3.78	5.55	5.55
#FFFFFF	3.78	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8AAC

Deuteranopia (green-blind)

#6D7EAA

Tritanopia (blue-blind)

#009696

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #378daa;
/* rgb */ color: rgb(55, 141, 170);
/* oklch */ color: oklch(60.4% 0.092 223.9);

Tailwind

colors: {
  custom: {
    50: '#7caec3',
    500: '#378daa',
    950: '#000000',
  },
}

SCSS

$custom: #378daa;
$custom-light: #7caec3;
$custom-dark: #000000;

JSON

{
  "hex": "#378daa",
  "rgb": {
    "r": 55,
    "g": 141,
    "b": 170
  },
  "hsl": {
    "h": 195.13,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.6039,
    "c": 0.09198,
    "h": 223.9
  },
  "luminance": 0.22764
}

Semantic roles & 50–950 ramp

primary

#378DAA

secondary

#C18D7C

accent

#714DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #378DAA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →